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Finding the Fourth Proportional to 173,059.50, 259,616.69 and 73,220.45

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Solution

The fourth proportional to 173,059.50, 259,616.69 and 73,220.45 is: 109,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,059.50 : 259,616.69 = 73,220.45 : x
  2. Step 2: Convert to fraction form
    173,059.50/259,616.69 = 73,220.45/x
  3. Step 3: Cross multiply
    173,059.50x = 259,616.69 × 73,220.45
  4. Step 4: Simplify right side
    173,059.50x = 19,009,249,205.12
  5. Step 5: Solve for x
    x = 19,009,249,205.12/173,059.50
  6. Step 6: Final answer
    x = 109,842.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.